View role permissions of the current user in oracle

Oracle views the role permissions of the current user 1. view the role permissions of the current user www.2cto.com select * from role_sys_privs; 2. View All users: select * from all_users; 3. view the details of the current user: www.2cto.com select * from user_users; 4. view all roles: select * from dba_roles; 5. view the role information of the current user: select * from user_role_privs; 6. to query all commands operated on the database, you must have the dba permission to select * from v $ sqlarea t order by t. FIRST_LOAD_TIME desc